Bird wings



FIG. 1 is a perspective view of bird wings, shown attached to a shirt;

FIG. 2 is a front elevation view of FIG. 1, the rear elevation view being an identical image thereof;

FIG. 3 is a right side elevation view of FIG. 1, the left side elevation view being an identical image thereof;

FIG. 4 is a top plan view of FIG. 1; and,

FIG. 5 is a bottom plan view of FIG. 1.

The broken lines shown in the drawings illustrate portions of the bird wings that form no part of the claimed design. 

CLAIM The ornamental design for bird wings, as shown and described. 